/tags/rel-1-3-15/SWIG/Examples/mzscheme/multimap/example.i
# · Swig · 81 lines · 60 code · 16 blank · 5 comment · 0 complexity · ee30c6f12ed6b4f8a536769e845cfa55 MD5 · raw file
- /* File : example.i */
- %module example
- %include exception.i
- %include typemaps.i
- extern int gcd(int x, int y);
- %typemap(mzscheme,in) (int argc, char *argv[]) {
- int i;
- Scheme_Object **elms;
- if (!SCHEME_VECTORP($input)) {
- scheme_wrong_type("$name","vector",$argnum,argc,argv);
- }
- $1 = SCHEME_VEC_SIZE($input);
- elms = SCHEME_VEC_ELS($input);
- if ($1 == 0) {
- scheme_wrong_type("$name","vector",$argnum,argc,argv);
- }
- $2 = (char **) malloc(($1+1)*sizeof(char *));
- for (i = 0; i < $1; i++) {
- if (!SCHEME_STRINGP(elms[i])) {
- free($2);
- scheme_wrong_type("$name","vector",$argnum,argc,argv);
- }
- $2[i] = SCHEME_STR_VAL(elms[i]);
- }
- $2[i] = 0;
- }
- %typemap(mzscheme,freear) (int argc, char *argv[]) {
- free($2);
- }
- extern int gcdmain(int argc, char *argv[]);
- %typemap(mzscheme,in) (char *bytes, int len) {
- if (!SCHEME_STRINGP($input)) {
- scheme_wrong_type("$name","string",1,argc,argv);
- }
- $1 = SCHEME_STR_VAL($input);
- $2 = SCHEME_STRLEN_VAL($input);
- }
- extern int count(char *bytes, int len, char c);
- /* This example shows how to wrap a function that mutates a string */
- %typemap(mzscheme,in) (char *str, int len) {
- if (!SCHEME_STRINGP($input)) {
- scheme_wrong_type("$name","string",1,argc,argv);
- }
- $2 = SCHEME_STRLEN_VAL($input);
- $1 = (char *) malloc($2+1);
- memmove($1,SCHEME_STR_VAL($input),$2);
- }
- /* Return the mutated string as a new object. */
- %typemap(mzscheme,argout) (char *str, int len) {
- Scheme_Object *s;
- s = scheme_make_sized_string($1,$2,1);
- SWIG_APPEND_VALUE(s);
- free($1);
- }
- extern void capitalize(char *str, int len);
- /* A multi-valued constraint. Force two arguments to lie
- inside the unit circle */
- %typemap(check) (double cx, double cy) {
- double a = $1*$1 + $2*$2;
- if (a > 1.0) {
- SWIG_exception(SWIG_ValueError,"$1_name and $2_name must be in unit circle");
- return NULL;
- }
- }
- extern void circle(double cx, double cy);